package com.qdu.service;

import java.util.List;


import com.qdu.entity.Role;

public interface RoleService {
	
	Role selectRoleById(int roleid);
	
	boolean addRole(Role role);
	
	boolean modifyRole(Role role);
	
	boolean deleteRoleById(int roleid);
	
	List<Role> selectAllRole();
}
